commit 2fa1377bdc200cecd0c36ba4104f3da156ba1ea8 Author: Nick Mathewson nickm@torproject.org Date: Wed Mar 2 12:21:56 2011 -0500

tweak ipv6 plan more --- proposals/ideas/xxx-ipv6-plan.txt | 22 +++++++++++----------- 1 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/proposals/ideas/xxx-ipv6-plan.txt b/proposals/ideas/xxx-ipv6-plan.txt index 12bd4d4..73a21f1 100644 --- a/proposals/ideas/xxx-ipv6-plan.txt +++ b/proposals/ideas/xxx-ipv6-plan.txt @@ -18,17 +18,14 @@ Motivation:

What needs to change:

- Tor uses the Internet in many ways. There are four main ways that + Tor uses the Internet in many ways. There are three main ways that will need to change for IPv6 support, from most urgent to least urgent.

- 0. An unknown laundry list of issues that will supersede all other - listed issues in this list. - 1. Tor must allow connections from IPv6-only clients. (Currently, routers and bridges do not listen on IPv6 addresses, and can't - advertise that they support IPv6 addresses, so clients can't learn that - they do.) + advertise that they support IPv6 addresses, so clients can't + learn that they do.)

2. Tor must transport IPv6 traffic and IPv6-related DNS traffic. (Currently, Tor only allows BEGIN cells to ask for connections @@ -38,11 +35,14 @@ What needs to change: 3. Tor must allow nodes to connect to one another over IPv6.

Allowing IPv6-only clients is the most important, since unless we - do, these clients will be unable to connect to Tor at all. Next most - important is to support IPv6 DNS related dependencies and exiting to IPv6 - services. Finally, allowing Tor nodes to support a dual stack of both IPv4 - and IPv6 for interconnection seems like a reasonable step towards a fully - hybrid v4/v6 Tor network. + do, these clients will be unable to connect to Tor at all. Next + most important is to support IPv6 DNS related dependencies and + exiting to IPv6 services. Finally, allowing Tor nodes to support a + dual stack of both IPv4 and IPv6 for interconnection seems like a + reasonable step towards a fully hybrid v4/v6 Tor network. + + Of course, more issues may be discovered as we develop solutions for these + issues, some of which may need to take priority.

Designs that we will need to do: